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Prospect Mountain High School
B−

Prospect Mountain High School

PublicHighGrades 9–13

242 Suncook Valley Rd., Alton, NH 03809 · (603) 875-3800 · Part of Prospect Mountain High School Joint Maintenance Agreement District

Alton’s School Grade C− better than 23% of New Hampshire school districts

Directions
Photo: Ken Gallager at English Wikipedia · CC BY-SA 4.0 · Wikimedia Commons
Students
402
Students per teacher
11:1
Free or reduced lunch
21%
Setting
Rural
Grades
9–13
The gist

What stands out about Prospect Mountain High School

  • Its own letter, B−: better results than 53% of New Hampshire’s public schools
  • Math proficiency 6 pts below the state
  • Reading / language arts 10 pts above the state
  • Small classes: 11 students per teacher
  • Enrollment down 8.6% since 2020–21

On the path

Where Alton kids come from and go next. The whole path →

PK–8Alton Central School (Elem)407 students
9–13Prospect Mountain High SchoolYou are here

Test scores

2020–21
Math proficiency32%
State average 37.8%
Reading / language arts62%
State average 51.9%

Its own letter, B−, places these results among New Hampshire’s 439 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

242 Suncook Valley Rd., Alton

Students

Enrollment by grade
Grade 993
Grade 10112
Grade 11103
Grade 1289
Grade 135
Enrollment over time
440’20
413’21
387’22
405’23
402’24

Down 8.6% since 2020–21.

Who goes here
White 93%Hispanic 3%Two or more races 2%Black <1%Asian <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Prospect Mountain High School from Alton families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against New Hampshire’s other public schools; Alton’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.